is the time taken by the earth to return to a given point in its orbit with reference to a fixed st...........

General Studies (CHSL) Geography

................. is the time taken by the earth to return to a given point in its orbit with reference to a fixed star.

Lunar year

Sidereal year

Solar year

Tropical year

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Explanation:

A sidereal year is the time taken by the Earth to orbit the Sun once with respect to the fixed stars. Hence, it is also the time taken for the Sun to return to the same position with respect to the fixed stars after apparently travelling once around the ecliptic. It equals 365.256 363 004 Ephemeris days for the J2000.0 epoch.